Even after all this Europe is still safest continent, like seriously this is just an incident, Europe didn't turn into a war zone all of a sudden. Don't overreact.
Well, it wasn't just an incident. Again, TAR has pulled out of countries last minute for far less things.
It's not overreacting to speculate that countries like France, Turkey, Belgium, Greece may be avoided because of security concerns, even before Friday.
I'm sure the producers just want to play it safe.
Perhaps the route could be
1. North America - Asia - Oceania - South America - North America
2. North America - Oceania - Asia - Southern Africa - South America - North America
Perhaps the countries in the Caribbean can be visited if there are no hurricanes expected. There are still numerous safe countries in the Caribbean that can be visited.